微信图片上传接口

{
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    "retCode": "0000",
    "retMsg": "成功[OK]",
    "body": "tnuBC6P3_Lk_uBBhnAV3Hf1jtnSqkgOD4XBHNwmDn6cH7pZmqw3WkJeHM7DaaWn30tWYK5rvy9ZOUzJJ0n3_B3vsbEmz-D0QbMKKsTgtR9E",
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}